Movable-chase printing-press.



No. 7||,I09. Patented Uct. I4, |902.

D. E. HUNTER. MOVBLE CHASE PRINTING PRESS.

(Application med .rm 1902.)

(lo Model.) 4 Sheets-Shut I.

ma Nbwms Pzfsns cm Fumo-mmc.. WASHINGTON. D4 c.

No. 7l|,l09. Patented 0ct.l4, |902.

D. E. HUNTER. i v MOVABLE CHASE PRINTING PRESS.

(Application filed Jan. 2, 1902.) (No Model.) 4 Sheets-Sheet 2.

. 1N: uonms Eriks co. PHoYaLxTno.. wAsnmGToN, u4 c:4

Pateted Oct. I4, |902.

n. E. HUNTER. MOVABLE CHASE PRINTING PRESS.

(Appnmioh med Jan. 2, 1902.)

4 Sheets-Shen 3.

(No Model.)

TM: Nonms persas co. ucm-umm WASHINGTON.

No. 7ll,|09. Patented Oct. I4, |902. D. E. HUNTER.

4MVABLE CHASE PRINTING PRESS.

(Appxicmion med mi. 2, 1902.) (No Model.) 4 4 Shaets-Sheet 4.

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UNTTED- STATES PATENT OEEICE.

DAVID E. HUNTER, OF CAMBRIDGE, MASSACHUSETTS, ASSIGNOR TO LIBRARY BUREAU, OF BOSTON, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS.

MOVABLE-CHASE PRINTING-PRESS.

SPECIFICATION forming part 0f Letters Patent N0. |('11 ,109, dated October 14, 1902.

Application filed January 2, 1902. Serial No. 88,064. (No model.)

To all whom it may concern:

Be it known that I, DAVID E. HUNTER, a citizen of the United States, and a resident of Cambridge, in the county of Middlesex and State of Massachusetts, have invented new and useful Improvements in Movable-Chase Printing-Presses, of which the following is a specication.

My invention relates to printing-presses;

and it consists in sundry mechanicalimprove' ments whereby a type-bearing chase is made movable in the press between the intermittent In the drawings hereto annexed,which illustrate an embodiment of my invention, Figure lis a front elevation of a press embodying my improvements, the movable platen and usual brackets adjoining the platen being removed. Fig. 2 is a side elevation of the press as viewed from the right in Fig. 1. Fig. 3 is a top plan View of the press. Fig. 4. is a side view of the movable chase and the parts associated therewith, shown as removed from the main press-frame. Fig. 5 is a detailillustrating the controlling devices for the chasemoving mechanism, and Fig. 6 is a detail which shows part of the mechanism of Fig. 4 in a position different from that of Fig. 1. Fig. 7 is a detail showing the detent-spring.

The press-frame is generally indicated by the letter F, the movable platen by the letter P, the movable chase and its immediately associated parts by the letter A, the inking mechanism by the letter B, the ink-roll-actuating mechanism byv the letter C, the inkplate by the letter B, the controlling mechanism by the letter E, driving gears and shafts by the letter G, the suspending-detent by the letter H, the lifting or progressive feed mechanism for the chase by the letter I, the mechanism by which the feed I is carried by the letter K, and the actuating devices tbereforby the letter L. Coefficients with the above letters are used to designate various associated parts. The frame, driving mechanism, and movable platen in the press shown in the drawings are'of usualconstruction and need not be described in detail.

In Fig. l the'front of the press is shown, the movable platen and brackets usually adof showing clearly the arrangement of the movable chase and inking device. The chase A is a rectangular metal plate provided with transverse apertures or slots, wherein the types T are secured in the usual manner, the chase A providing a large number of such apertures for the reception of lines of type. The chase A is thus multilinear, in that it provides for alarge number of lines 0f type. The chase A is clamped in the frame A' by means of clipsA6 A7, the side ribs As serving to conne the chase A laterally. The frame A slides in the guides A4 and is provided on itsrear side with a rack A5. in Figrl and illustrated morey in' detail in Figs. 4, 5, and 6'.) A ring or eyebolt a, secured to the top of the frame A', offers means for attaching the cord of a counterweight, which may conveniently be used to balance the larger portion of the weight ofthe chase A and its carriage A. By means of the rackA5 and the-automatic spacing mechanism, to be described hereinbelow, the chase-carriage A', carrying the chase A, is made Yto progress step by step. Obviously the ordinary mechanism v for actuating the inking-rollers would be interfered with by the projection of the chasecarriage A' from the frame ot' the press, and therefore in order to meetV the requirements. of a machine embodying a movable chase I provide the arrangement shown in elevation in Figs. l and 2 and in plan in Fig. 3. The

movable chase traverses the press in one direction, and the inking-rolls, with their car-A riage, reciprocate in a direction across the line of travel of the movable chase, so-that `jacent thereto being removed for the purpose (Shown in dotted lines ICO whatever may be the position of the chase in the press the operation of theinking-rfolls remains the same and is unhindered by change of position of the chase. In Fig. 1 there is shown the wing-frame B, upon which slides a roller-carriage B2, tracks B' being provided for the purpose. Inking-rolls B8 are carried in the carriage B2, which is guided in its movement by the guide-rolls B4. The rollercarriage B2 reciprocates from right to left, and vice versa, carrying the ink-rolls B3 over the surface of the ink-plate B9, which is mounted upon a suitable journal in the rear of the wing-frame B. The roller-carriage is reciprocally moved by mechanism shown most clearly in Figs. 2 and 3. To the frame F are secured outriggers F', which project diagonally from the rear of the main frame and support the ink-roller-reciprocating mechanism.

,In Fig. 2 are seen the studs B7 B2, which are embraced, respectively, by the heads B5 Bi of the rods b5 b. These rods are fitted to slide in the arms C4 C5, which extend horizontally from a vertical oscillating bracket C', which in turn is pivoted upon the standard C2. This bracket swings or oscillateslike a gate on the standard C2, which is stepped in the stop O2 and journaled at the end of the frame-arm F'. Spring c4 c5, mounted in the arms C4 C5, exert a constant stress upon the rods b5 b, thus holding the inking-roller carriage B2 always firmly in contact with the wing-frame B. The reciprocating movement is vimparted to the inking-roller carriage and its actuating mechanism from the shaft Gr, whose beveled gear G2 actuates the beveled pinion G, upon which the crank-pin g imparts motion to the connecting-rod g2, and thus to the spur g5, which is secured to or integral with the upright bracket C. The shaft G is actuated in the usual manner by the driving mechanism of the press and moves synchronously with the reciprocatory movement of the platen P, so that all the movements of the inking-roller carriage are properly timed with those of the other parts of the press. The inking-plate B9 has been alluded to and is mounted upon the yoke B40, (see Figs. 2 and 3,) which is secured to and forms part of the main frame and supports the guides B of the wing-frame B. The inking-plate B9 is provided on its rear side with a' circular rack of the usual construction, which is operated intermittently by the pawl D', this pawl being mounted upon the arm D2, which, with the arm D4, is so located in the press that at each excursion of the inking-roller carriage the cross-brace C6 comes in contact with the shoe D5 and rocks the lever D2 D4 upon the stud D2. The spring D7, Fig. 3,. returns the pawl-lever D2 D4 to its normal position, tho stud D6 bringing up against the stop D2. In Fig. 3 the letter c indicates the position of the inking-roller-carriage actuating mechanism at the outer limit of its lateral throw.

In Figs. 4, 5, and 6-the chase-moving mechanism is shown in detail withsuch portions of the press-frame as are immediately associated with the chase and its actuating mechanism. The chase-carriage A is sustained in position by means of a dog H, which engages with the teeth of the rack A5, and the chase-carriage is moved from point to point by means of the pawl I, which also engages with the rack A5, lifting the carriage, which is sustained'by the dog H, engaging with the rack-teeth in succession. The pawl I is provided with a rack-engaging point I and is pivoted at t' upon the lever K. A spring 12, secured to the lever K at I4, bears upon the pin I2 and constantly urges the pawl I into the .position of engagement with the rack A5.

The lever K is provided with a cam-surface K2 at its lower end, is pivoted at K upon the press-frame, andvis joined to a spring K2, which is anchored upon the press-frame and constantly exerts tension upon the lever K, drawing the stop K4 toward its position of contact with the press-frame, the normal position of parts under the stress of the spring K3 being shown in Fig. 6. The lever K is moved from the normal position at each rotation of the main shaft of the press, and consequently in synchronism with the movement of the printing-platen P, by the wiper L. In Fig. 2 the arrangement of the wiper i L and its connection with the main shaft of the press are indicated in dotted lines. The Wiper L is a roller on the end of the arm Lf, which is joined to the rock-shaftL2, which also carries the rocker-arm L2. Therockerarm L5 is jointed at L4 to the connecting-rod L5, which at its other end is journaled upon a crank-pin L6. This oscillating system L2 L2 L4 L5 L6 constitutes the ordinary platen-operating mechanism of the press and will be understood Without further description.

Returning to Figs. 4 and 6, the wiper L is shown in solid lines in Fig. 4 in position wherein the lever K has been made to lift the pawl I to its uppermost position and is shown in Fig. 6 in position where the lever K by means of its spring K3 is permitted to return the pawl I to its normal lower pjositions. The dotted-line positions Z, Fig. 4, show the path of movement of the wiper L.

The dog H determines the exact position of the movable-chase carriage A' at the moment when the platen P, Fig. 2, rises to make the printing impression. The actuating mechanism for the chase-carriage A' is therefore proportioned in such manner that at each upward excursion of the pawl I the tooth of the rack A5 which is next to engage with the dog H is lifted a trifle above the point of the dog. Then when the pawl I is withdrawn the chase-carriage settles back until the tooth engages with the dog H. The dog H is held in position for engagement with the rack A5 by means of the flat spring I-I', secured to the rear side of the guide-frame A4. The teeth of the rack A5 are spaced to correspond with the space between centers of the type seats IOO IIO

or apertures T, Fig. l. If each type-seat is provided with a line of type and the chasemoving mechanism is permitted to operate as above described, a new line of type will be presented to the printing point of the platen each time the roller rises to make an impression and the entire series of type-lines will be presented in succession as the movable chase rises step by step in the press. It may be, however, that the printer desires to repeat the impressions of each type-line a stated number of times and wishes, therefore, to throw the chase-moving mechanism out of operation while such repeated impressions are made, and for this purpose I provide a shipper mechanism, as indicated in Fig. 3, which shows its position and relationship with the movable chase, and in Figs. 4, 5, and 6, wherein this device is illustrated in detail. On the top of the stationary guide-frame there is mounted a short shaft E5, on which are secured the handle E and finger E3, and on the front of the guide-frame the catch E4 is yieldingly mounted and adapted to engage with the finger E3 when the handle E is pulled forward or is lifted, as viewed in Figs. 4 and 5. A spring E2, Fig. 3, coiled around the short shaft E5, constantly urges the handle E and finger E2 away from the catch E4. An arm E, also secured to the short shaft E5, extends to the rear, and the rod E7 is pivotally joined thereto at its upper end and at its lower end to the arm E8 of the bell-crank lever EB E10, which is pivoted at E9. The lower end of the arm E10 projects past the pin I3 on the pawl I. When the printer desires to throw the lifting mechanism of the chase-carriage out of engagement, he draws the handle E' to the left as viewed in Fig. 4, and thus by means of the mechanism E6 E7 EB E10 draws the pawl I backward against the force of the pawlspring I2 and holds the rack-engaging point l out of operative contact with the rack A5. Consequently while the handle E' is in its forward position, as shown in Fig. 5, where it is retained by the catch E4 engaging the iinger E3, the excursions of the lever K are idle and the chase-carriage remains in the position desired by the printer. lVhen the printer wishes to move the chase-carriage to another type-line space, he disengages the catch E4 and permits the lever E/ and its connected shipper-mechanism to remain in the rearward position shown in Fig. 4during as many rotations of the main shaft of the press as he chooses, perhaps only permitting the pawl to lift the movable chase one rack-tooth, when he can again pull forward the lever E and arrest the normal progress of the movable chase. If the printer wishes to lower the chase-carriage, he shifts the detent-spring H, Fig. 7, from its full-line active position to the dotted-line inactive position, whereby the dog II is released.

What I claim, and desire to secure by Letters Patent, is-

l. The combination, in a printing-press, of

a movable chase, mounted in guides on the press-frame,stepbystep mechanism for moving the chase, inking-rollers and their carriage, mounted to reciprocate transversely to the line of movement of the chase, and automatic actuating mechanism for the inkingrollers.

2. The combination, in a printing-press, of a chase, mounted to slide in straight guides,- mechanism whereby the chase is intermittently advanced in the guides in alternation with the printing impacts, inking-rollers and a carriage therefor, mounted to slide on ways reciprocally transversely to the line of movement of the chase, and automatic vibrating mechanism for the inking-roller carriage.

3. The combination in a printing-press, of a multilinear chase, mounted to slide in guides, mechanism whereby the chase is intermittently advanced in the guides a linespace at a time in alternation with the printing impacts, inking-rollers and a carriage therefor mounted to slide on ways reciprocally and transversely to the line of movement of the chase, and automatic vibrating mechanism for the inkingroller carriage.

4. The combination, in a printing-press, of a multilinear chase, mounted to slide in guides, mechanism, including a ratchet, advancing-pawl,and a supporting-dog, whereby the chase is intermittently advanced a linespace at a time in alternation with the printing impacts, inking-rollers and a carriage therefor mounted to slide on ways reciprocally and transversely to the line of movement of the chase, and vibrating mechanism for the inking-roller carriage.

5. The combination, in a printing-press, of a multilinear chase, mounted to slide in guides, mechanism including a ratchet, an advancing-pawl, a supporting-dog, and actuating devices for the advancing-pawl, whereby the chase is intermittently advanced alinespace at a time in alternation with the printing impacts, shipper mechanism whereby the advancing pawl actuating mechanism is thrown in or out of action at will, inking-rollers and a carriage therefor mounted to slide on ways reciprocally and transversely to the line of movement of the chase, and vibrating mechanism for the inking-roller carriage.

6. In a printing-press the combination with a reciprocating platen, a multilinear chase, mechanism including a ratchet,an advancingpawl, and a supporting-dog constructed to sustain the chase in exact printingalinement, actuating mechanism for the advancing-pawl constructed to advance the chase intermittently a line-space at a time in alternation with the printing impacts, and shipper mechanism,whereby the advancing-pawlactuating mechanism is thrown in or out of action at will.

7. The combination, in a printing-press, of a movable chase, mounted in vertical guides on the press-frame, inking-rollers, a carriage therefor, sliding on ways transversely to the IOO IIO

line of movement of the chase, an oscillating Signed by me at Boston, Massachusetts, bracket provided with' spring-controlled exthis 10th day of December, 1901.

tensible rods, the said rods secured to the inking-roller carriage, the bracket mounted DAVID E HUNTER" 5 to turn pivotally on frame-arms, laterally ex- Witnesses:

tending from the press-frame, and automatic ROBERT OUSHMAN,

actuating mechanism for the said bracket. FRANK S. -HARTNETT- 

